pass3.c revision 126345
11558Srgrimes/* 21558Srgrimes * Copyright (c) 1980, 1986, 1993 31558Srgrimes * The Regents of the University of California. All rights reserved. 41558Srgrimes * 51558Srgrimes * Redistribution and use in source and binary forms, with or without 61558Srgrimes * modification, are permitted provided that the following conditions 71558Srgrimes * are met: 81558Srgrimes * 1. Redistributions of source code must retain the above copyright 91558Srgrimes * notice, this list of conditions and the following disclaimer. 101558Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111558Srgrimes * notice, this list of conditions and the following disclaimer in the 121558Srgrimes * documentation and/or other materials provided with the distribution. 131558Srgrimes * 3. All advertising materials mentioning features or use of this software 141558Srgrimes * must display the following acknowledgement: 151558Srgrimes * This product includes software developed by the University of 161558Srgrimes * California, Berkeley and its contributors. 171558Srgrimes * 4. Neither the name of the University nor the names of its contributors 181558Srgrimes * may be used to endorse or promote products derived from this software 191558Srgrimes * without specific prior written permission. 201558Srgrimes * 211558Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221558Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231558Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241558Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251558Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261558Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271558Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281558Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291558Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301558Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311558Srgrimes * SUCH DAMAGE. 321558Srgrimes */ 331558Srgrimes 34114589Sobrien#if 0 351558Srgrimes#ifndef lint 3623675Speterstatic const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 37114589Sobrien#endif /* not lint */ 3841477Sjulian#endif 39114589Sobrien#include <sys/cdefs.h> 40114589Sobrien__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass3.c 126345 2004-02-28 07:50:42Z scottl $"); 411558Srgrimes 421558Srgrimes#include <sys/param.h> 4323675Speter 441558Srgrimes#include <ufs/ufs/dinode.h> 4541474Sjulian#include <ufs/ufs/dir.h> 4641474Sjulian#include <ufs/ffs/fs.h> 4723675Speter 4841474Sjulian#include <string.h> 4941474Sjulian 501558Srgrimes#include "fsck.h" 511558Srgrimes 527585Sbdevoid 5392839Simppass3(void) 541558Srgrimes{ 5541474Sjulian struct inoinfo *inp; 5641474Sjulian int loopcnt, inpindex, state; 571558Srgrimes ino_t orphan; 5841474Sjulian struct inodesc idesc; 5941474Sjulian char namebuf[MAXNAMLEN+1]; 601558Srgrimes 6141474Sjulian for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 6270050Siedowse if (got_siginfo) { 6370050Siedowse printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 6486514Siedowse (int)(inplast - inpindex - 1), (int)inplast, 6586514Siedowse (int)((inplast - inpindex - 1) * 100 / inplast)); 6670050Siedowse got_siginfo = 0; 6770050Siedowse } 68126345Sscottl if (got_sigalarm) { 69126345Sscottl setproctitle("%s p3 %d%%", cdevname, 70126345Sscottl (int)((inplast - inpindex - 1) * 100 / inplast)); 71126345Sscottl got_sigalarm = 0; 72126345Sscottl } 7341474Sjulian inp = inpsort[inpindex]; 7441474Sjulian state = inoinfo(inp->i_number)->ino_state; 751558Srgrimes if (inp->i_number == ROOTINO || 7641474Sjulian (inp->i_parent != 0 && state != DSTATE)) 771558Srgrimes continue; 7841474Sjulian if (state == DCLEAR) 791558Srgrimes continue; 8041474Sjulian /* 8141474Sjulian * If we are running with soft updates and we come 8241474Sjulian * across unreferenced directories, we just leave 8341474Sjulian * them in DSTATE which will cause them to be pitched 8441474Sjulian * in pass 4. 8541474Sjulian */ 8674556Smckusick if ((preen || bkgrdflag) && 8774556Smckusick resolved && usedsoftdep && state == DSTATE) { 8841474Sjulian if (inp->i_dotdot >= ROOTINO) 8941474Sjulian inoinfo(inp->i_dotdot)->ino_linkcnt++; 9041474Sjulian continue; 9141474Sjulian } 921558Srgrimes for (loopcnt = 0; ; loopcnt++) { 931558Srgrimes orphan = inp->i_number; 941558Srgrimes if (inp->i_parent == 0 || 9541474Sjulian inoinfo(inp->i_parent)->ino_state != DSTATE || 9641474Sjulian loopcnt > countdirs) 971558Srgrimes break; 981558Srgrimes inp = getinoinfo(inp->i_parent); 991558Srgrimes } 10041474Sjulian if (loopcnt <= countdirs) { 10141474Sjulian if (linkup(orphan, inp->i_dotdot, NULL)) { 10241474Sjulian inp->i_parent = inp->i_dotdot = lfdir; 10341474Sjulian inoinfo(lfdir)->ino_linkcnt--; 10441474Sjulian } 10541474Sjulian inoinfo(orphan)->ino_state = DFOUND; 10641474Sjulian propagate(); 10741474Sjulian continue; 10841474Sjulian } 10986514Siedowse pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 11086514Siedowse (u_long)orphan); 11141474Sjulian if (reply("RECONNECT") == 0) 11241474Sjulian continue; 11341474Sjulian memset(&idesc, 0, sizeof(struct inodesc)); 11441474Sjulian idesc.id_type = DATA; 11541474Sjulian idesc.id_number = inp->i_parent; 11641474Sjulian idesc.id_parent = orphan; 11741474Sjulian idesc.id_func = findname; 11841474Sjulian idesc.id_name = namebuf; 11941474Sjulian if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 12041474Sjulian pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 12141474Sjulian if (linkup(orphan, inp->i_parent, namebuf)) { 12241474Sjulian idesc.id_func = clearentry; 12341474Sjulian if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 12441474Sjulian inoinfo(orphan)->ino_linkcnt++; 12541474Sjulian inp->i_parent = inp->i_dotdot = lfdir; 12641474Sjulian inoinfo(lfdir)->ino_linkcnt--; 12741474Sjulian } 12841474Sjulian inoinfo(orphan)->ino_state = DFOUND; 1291558Srgrimes propagate(); 1301558Srgrimes } 1311558Srgrimes} 132